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document how to get a cachegrind diff from a perf run #1692

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jyn514 opened this issue Jun 7, 2023 · 0 comments
Open

document how to get a cachegrind diff from a perf run #1692

jyn514 opened this issue Jun 7, 2023 · 0 comments
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A-performance Area: performance E-easy Difficulty: might be a good place for a beginner E-needs-writeup Call for participation: discussion can be written up without much research required T-compiler Relevant to compiler team WG-compiler-performance Working group: Compiler Performance

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jyn514 commented Jun 7, 2023

it shows a useful command in the 'detailed-query' view: https://perf.rust-lang.org/detailed-query.html?commit=4b87ed9d0f18166a26aadb5289bac004e058b90f&base_commit=2034b6d23ca18311a23273f2f08c381a04fa05d9&benchmark=serde_derive-1.0.136-check&scenario=incr-unchanged
and there's instructions on zulip for how to build from source to get debuginfo: https://rust-lang.zulipchat.com/#narrow/stream/247081-t-compiler.2Fperformance/topic/annotations.20for.20cachegrind.20diff.3F
@jyn514 jyn514 added E-easy Difficulty: might be a good place for a beginner E-needs-writeup Call for participation: discussion can be written up without much research required labels Jun 7, 2023
@jieyouxu jieyouxu added T-compiler Relevant to compiler team WG-compiler-performance Working group: Compiler Performance A-performance Area: performance labels Nov 2, 2024
@jyn514 jyn514 mentioned this issue Feb 15, 2025
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A-performance Area: performance E-easy Difficulty: might be a good place for a beginner E-needs-writeup Call for participation: discussion can be written up without much research required T-compiler Relevant to compiler team WG-compiler-performance Working group: Compiler Performance
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